Apple Inc. receives a 30 percent cut from such sales. If people choose to leave the app anyway and buy through a Web browser, Apple does not receive any of the proceeds. That option will remain
available.
News Corp. unveiled The Daily, the first iPad-only newspaper, this month. People are charged through iTunes for a subscription.
Apple recently rejected Sony Corp.'s e-book reader app for the iPhone because it doesn't give people the chance to buy books without leaving the app for a website.